Proceedings Maracay, Venezuela, 15-20 November 1970.
Contributors: Pan American Sanitary Bureau
Series: Scientific publication no. 225; Publicaciones científicas (Washington, D.C.) -- no. 225
Publisher: Pan American Sanitary Bureau
Published: 1971
Place of publication: Washington
Language: eng
Number of pages: 159
Subjects: Drugs -- Law and legislation.; Drugs -- Testing